Newer equals better! The original Batumi LFO goes into its second round and improves the XAOC classic immensely.
Berlin is a solid digital (numeric) oscillator in and of itself, with pulse and sawtooth outputs and tracking over a vast 20 octaves.
Drezno II is the improved version of the Drezno. Accuracy and noise performance have been drastically improved. In addition, the voltage range can now be switched between 10Vpp and 20Vpp. Practical: The ranges of the potentiometers are now accurately calibrated to the chromatic scale.
Erfurt aka "1989 Phase Akkumulator" - this module with the nice star-trekky name may be used as counter, clock and (audio) frequency divider and is a Part of Xaoc Devices Leibniz Family.
XAOC Devices Gera is a component of the Leibniz subsystem and manipulates the bits in its data stream.
Koszalin is a digital stereo (!) Frequency Shifter with linear thru-0 and exponential FM. Shift goes from subtle to drastic. Feedback adds unusual, phaser-like timbres.